Enviorment Flashcards
Enviromental Health
The interaction between health and enviorment and the consenquences of their interations
Population Growth and Control (Year 1, Year 1600, Year 1800, 1930, 1974)
Year 1: 300 million people
Year 1600: 500 million people
Year 1800: about 1 billion people
Year 1930: 2 billion
Year 1974: 4 billion
World Population Predictions
1950- developed regins accounted for 32% of worlds population
20% in 2000
13% in 2050
People aged 60+ are predicted to increase from 10% in 2000 to 22% in 2050
Population Limits
Factors that puts a cap on human population are:
Food/ water
Land
Energy
Factors contributing population growth
High fertility rates
Lower death rates
Family planning resources
Canada death causes
Covid-19 was leading cause for 2020 death rates
Canadians under age of 40 are uneffected
2020 Canadian Life Expectancy
2019 82.3
2020 81.7
Males declined 0.7 years
Females declined 0.4 years
Some contries declined 1.5 years
Air quality and pollution
Forest fire
Pollen Bloom
Dust Storms
Air Qality Health Index
Nitrogen Dioxide motor vehicles, powerplants
Particulate Matter fossel fuel dust from roads
Ground level ozone occurs in motor vehicles, power plants
values > 7 is a high health risk
Canadian energy consumption
Oil (32%)
Hydroelectricity (25%)
Natural gas (24%)
Coal (10%)